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1. Describe the USS Polar Sentinel.

The Polar Sentinel is a research vessel that is half the size of most submarines. It has been miniaturized using advances to engineering to allow for a smaller crew, which results in less space being needed for living quarters. All armaments have been removed to allow room for scientific equipment and personnel. The sub is also the test platform for a new type of attack submarine.

2. What is the task of the crew on the USS Polar Sentinel?

The crew on the sub has the job of implanting meteorological equipment atop the ice. They place the equipment for the Omega Drift Station scientific base to monitor.

3. What is an ice island?

An ice island is a rarity that occurs when giant icebergs calve off the mainland glaciers. Then ocean currents drive the floating mountains into the polar ice cap where they freeze in place. Because they contain very old ice and sometimes even boulders and sections of earth, they provide a look at the past.

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